update line

Author: daiyongg-kim

valid-palindrome/daiyongg-kim.py

@@ -1,4 +1,4 @@
 class Solution:
     def isPalindrome(self, s: str) -> bool:
         s = re.sub(r'[^0-9A-Za-z]', '',s).lower()
-        return s == s[::-1]
+        return s == s[::-1]